Spring rocking chair



FIG. 1 is a front view of a spring rocking chair;

FIG. 2 is a back view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof; and,

FIG. 7 is a perspective view thereof.

CLAIM The ornamental design for a spring rocking chair, as shown anddescribed.